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// SPECIES PROFILE · PERENNIAL · NATIVE

Gypsum evening primrose

Oenothera gayleana

Gypsum evening primrose (Oenothera gayleana) is a perennial in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 4a–10a. Blooms May–Sep.

// QUICK FACTS
Family
—
Group
perennial
Native range
Native to NM, OK, TX
USDA hardiness
Zones 4a–10a
Mature size
—
Sun
Full sun
Water
Low · xeric
Bloom
May–Sep
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Gypsum evening primrose (Oenothera gayleana)
Oenothera gayleana — Gypsum evening primrose. Photo via iNaturalist — (c) Jared Shorma, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Gypsum evening primrose (Oenothera gayleana) is a perennial in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 4a–10a. Blooms May–Sep. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, gypsum evening primrose pairs naturally with: Aromatic Aster (Symphyotrichum oblongifolium), Broadleaf Arrowhead (Sagittaria latifolia), Butterfly Milkweed (Asclepias tuberosa), Cardinal Flower (Lobelia cardinalis).

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